| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | fiber optics | Japan | Used for high-quality audio transmission in audio equipment | 1 |
| 2 | fiber optics | Japan | Often associated with high-speed trains and cutting-edge technology | 1 |
| 3 | optical fiber | Japan | Integrated into high-speed public transportation and communication systems | 1 |
| 4 | optical transceiver | Japan | Known for precision and attention to detail in manufacturing and use in high-speed communication systems. | 1 |